import router, { asyncRoutes, constantRoutes } from './router'
import store from './store'
import { Message } from 'element-ui'
import NProgress from 'nprogress' // progress bar
import 'nprogress/nprogress.css' // progress bar style
import { getToken, setToken } from '@/utils/auth' // get token from cookie
import getPageTitle from '@/utils/get-page-title'

import security from '@/api/security'
import core from '@/api/core'

NProgress.configure({ showSpinner: false }) // NProgress Configuration

const whiteList = ['/login', '/auth-redirect'] // no redirect whitelist

router.beforeEach(async(to, from, next) => {
  // start progress bar
  NProgress.start()

  // set page title
  document.title = getPageTitle(to.meta.title)

  let needSecurity = store.getters.needSecurity
  if (!needSecurity) {
    try {
      const needSecurityData = await security.needSecurity()
      needSecurity = needSecurityData.data
      await store.dispatch('permission/setSecurity', needSecurityData.data)
    } catch (e) {
      console.log(e, '连接网络失败,将默认需要权限')
      needSecurity = true;
      await store.dispatch('permission/setSecurity', true)
    }
  }

  if (needSecurity) {
    // determine whether the user has logged in
    const hasToken = getToken()

    if (hasToken && hasToken !== 'superAdmin') {
      if (to.path === '/login') {
        // if is logged in, redirect to the home page
        next({ path: '/' })
        NProgress.done() // hack: https://github.com/PanJiaChen/vue-element-admin/pull/2939
      } else {
        // determine whether the user has obtained his permission roles through getInfo
        const hasRoles = store.getters.roles && store.getters.roles.length > 0
        if (hasRoles) {
          next()
        } else {
          try {
            // get user info
            // note: roles must be a object array! such as: ['admin'] or ,['developer','editor']
            const { roles } = await store.dispatch('user/getInfo', needSecurity)

            // generate accessible routes map based on roles
            const accessRoutes = await store.dispatch('permission/generateRoutes', needSecurity)

            // dynamically add accessible routes
            router.addRoutes(accessRoutes)

            // hack method to ensure that addRoutes is complete
            // set the replace: true, so the navigation will not leave a history record
            next({ ...to, replace: true })
          } catch (error) {
            // remove token and go to login page to re-login
            await store.dispatch('user/resetToken')
            Message.error(error || 'Has Error')
            next(`/login?redirect=${to.path}`)
            NProgress.done()
          }
        }
      }
    } else {
      /* has no token*/
      if (whiteList.indexOf(to.path) !== -1) {
        next()
      } else {
        // other pages that do not have permission to access are redirected to the login page.
        next(`/login?redirect=${to.path}`)
        NProgress.done()
      }
    }
  } else {
    if (to.path === '/login') {
      // if is logged in, redirect to the home page
      next({ path: '/' })
      NProgress.done() // hack: https://github.com/PanJiaChen/vue-element-admin/pull/2939
    } else {
      const hasRoles = store.getters.roles && store.getters.roles.length > 0
      if (hasRoles) {
        next()
      } else {
        await store.dispatch('user/getInfo', needSecurity)

        const accessRoutes = await store.dispatch('permission/generateRoutes', needSecurity)
        router.addRoutes(accessRoutes)

        next({ ...to, replace: true })
      }
    }
  }
})

router.afterEach((to, from) => {
  // finish progress bar
  NProgress.done()

  // 调用访问接口, 增加一次接口访问
  if (to.meta.pluginId) {
    core.visited(to.meta.pluginId).then(res => {
      // console.log(to.meta.key)
    })
  }
})
